/* ---------- single post v2 ---------- */
.progress{background:linear-gradient(90deg,var(--g1,#1D4ED8),var(--g2,#22D3EE))}
.phead2{position:relative;overflow:hidden;color:#fff;padding:132px 0 80px;background:radial-gradient(900px 420px at 85% -10%,color-mix(in srgb,var(--g1) 70%,transparent),transparent 65%),radial-gradient(700px 380px at 0% 110%,color-mix(in srgb,var(--g2) 35%,transparent),transparent 60%),var(--navy)}
.phead2 .pbg{position:absolute;inset:-40px;background-size:cover;background-position:center;filter:blur(40px) saturate(1.3);opacity:.22;transform:scale(1.1)}
.phead2::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,27,63,.2),rgba(11,27,63,.85));pointer-events:none}
.phead2 .wrap{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:44px;align-items:center}
.ptxt .crumbs{font-size:13px;color:#9FB0D0;margin-bottom:16px}
.ptxt .crumbs a{color:#C7D2EA}
.ppills{display:flex;flex-wrap:wrap;gap:8px}
.spill{display:inline-block;font-size:13px;font-weight:700;padding:4px 14px;border-radius:999px;background:linear-gradient(135deg,var(--g1),var(--g2));color:#fff}
.spill.ghost{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2)}
.spill.new{background:#16A34A}
.phead2 h1{font-size:40px;line-height:1.5;margin:16px 0 12px;letter-spacing:-.3px}
.phead2 .dek{font-size:18px;color:#C7D2EA;margin:0 0 22px;line-height:1.9}
.phead2 .pmeta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.phead2 .pmeta > span{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:8px 14px}
.phead2 .pmeta .mi{flex-direction:column;align-items:flex-start;gap:0}
.phead2 .pmeta small{display:block;font-size:11px;color:#9FB0D0}
.phead2 .pmeta b{color:#fff;font-size:14px}
.phead2 .pmeta .au img{border-radius:50%}
.pfig{margin:0;border-radius:24px;overflow:hidden;box-shadow:0 30px 70px rgba(2,6,23,.55);border:1px solid rgba(255,255,255,.14);transform:rotate(-2deg);transition:transform .5s}
.pfig:hover{transform:rotate(0)}
.pfig img{width:100%;height:auto;display:block}

/* book card */
.bookcard{position:relative;z-index:2;margin-top:-40px;display:flex;align-items:center;gap:22px;flex-wrap:wrap;background:#fff;border-radius:22px;padding:18px 22px;box-shadow:0 20px 50px rgba(15,23,42,.14);border:1px solid var(--line)}
.bk-ico{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--g1),var(--g2));flex:none}
.bookcard dl{display:flex;flex-wrap:wrap;gap:8px 28px;margin:0;flex:1}
.bookcard dt{font-size:12px;color:var(--muted)}
.bookcard dd{margin:0;font-weight:700;color:var(--ink)}
.bk-btn{display:inline-flex;align-items:center;gap:10px;background:linear-gradient(135deg,var(--blue),#0EA5E9);color:#fff;font-weight:700;padding:12px 22px;border-radius:14px;box-shadow:0 10px 24px rgba(29,78,216,.3);transition:.2s;white-space:nowrap}
.bk-btn:hover{transform:translateY(-2px)}

/* layout: share rail | article | sidebar */
.playout2{display:grid;grid-template-columns:56px minmax(0,1fr) 300px;gap:28px;margin-top:36px;align-items:start}
article.single:not(.is-book) .playout2{margin-top:-40px;position:relative;z-index:2}
.prail{position:sticky;top:100px;display:flex;flex-direction:column;gap:10px;align-items:center}
.prail a,.prail button{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;border:1px solid var(--line);background:#fff;color:#475569;cursor:pointer;transition:.2s;font:700 13px "Plus Jakarta Sans"}
.prail a:hover,.prail button:hover{transform:translateY(-2px);color:#fff;border-color:transparent}
.prail .fb:hover{background:#1877F2}.prail .li:hover{background:#0A66C2}.prail .wa:hover{background:#25D366}.prail .tg:hover{background:#229ED9}.prail .x:hover{background:#0F172A}.prail .cp:hover,.prail .fs:hover{background:var(--blue)}
.prail .cp.ok{background:#DCFCE7;color:#15803D}
.prail .sep{width:24px;height:1px;background:var(--line);margin:4px 0}
.entry{font-size:calc(18px * var(--fs,1))}
.entry h2{border-inline-start-color:var(--g1,var(--blue2))}
.entry > p:first-of-type{font-size:1.08em;color:var(--ink)}
.entry hr{border:0;height:1px;background:var(--line);margin:32px 0}
.entry a#c4t-dl{scroll-margin-top:140px;animation:dlpulse 2.4s ease-in-out infinite}
@keyframes dlpulse{0%,100%{box-shadow:0 10px 24px rgba(29,78,216,.3)}50%{box-shadow:0 10px 24px rgba(29,78,216,.3),0 0 0 8px rgba(37,99,235,.15)}}
.toc-m{display:none}

.endcard{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin:26px 0;padding:20px 22px;border-radius:20px;color:#fff;background:linear-gradient(135deg,var(--g1),var(--g2))}
.endcard b{display:block;font-size:18px}.endcard span{font-size:14px;opacity:.9}
.endcard .share{margin:0;padding:0;background:none;border:0}
.endcard .share a,.endcard .share button{background:rgba(255,255,255,.18)!important;color:#fff}
.endcard .share .cp{background:#fff!important;color:var(--ink)}
.pnav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px}
.pnav a{display:flex;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;transition:.25s}
.pnav a:hover{border-color:#BFDBFE;box-shadow:var(--shadow)}
.pnav .th{flex:none;width:84px;height:64px;border-radius:12px;overflow:hidden;background:#E2E8F0}
.pnav .th img{width:100%;height:100%;object-fit:cover}
.pnav small{display:block;color:var(--blue);font-size:12px;font-weight:600}
.pnav b{display:block;color:var(--ink);font-size:14px;line-height:1.6}
.pnav .next{grid-column:2}
.toch{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.toch b{color:var(--ink);font-size:15px}
.toch .rd{font-size:12px;color:var(--muted)}
.tocbar{height:4px;border-radius:4px;background:#E2E8F0;margin-bottom:10px;overflow:hidden}
.tocbar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--cyan));transition:width .2s}
.minilist{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.minilist a{background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 14px;font-weight:600;color:var(--ink);font-size:14px;line-height:1.6}
.minilist a:hover{color:var(--blue);border-color:#BFDBFE}

/* side ads (desktop only) */
.sidead{background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;text-align:center;box-shadow:var(--shadow)}
.sidead small{display:block;font-size:11px;color:#94A3B8;margin-bottom:6px}
.sidead ins{display:block;margin:0 auto}
.pside .sidead{position:sticky;top:96px}
.gutter-ad{position:fixed;top:110px;z-index:5;display:none;width:180px}
.gutter-ad.l{left:calc((100vw - 1240px)/2 - 200px)}
.gutter-ad.r{right:calc((100vw - 1240px)/2 - 200px)}
@media (min-width:1680px){.gutter-ad{display:block}}

/* mobile bottom bar */
.mbar{position:fixed;inset-inline:12px;bottom:12px;z-index:60;display:none;align-items:center;gap:8px;background:rgba(11,27,63,.92);backdrop-filter:blur(12px);border-radius:18px;padding:8px;box-shadow:0 14px 40px rgba(2,6,23,.4);transform:translateY(140%);transition:transform .3s}
.mbar.show{transform:none}
.mbar .mdl{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,var(--blue),#0EA5E9);color:#fff;font-weight:700;border-radius:12px;height:44px}
.mbar .mread{flex:1;color:#C7D2EA;font-size:14px;padding-inline-start:10px}
.mbar a:not(.mdl),.mbar button{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;border:0;color:#fff;cursor:pointer}
.mbar .wa{background:#25D366}.mbar .fb{background:#1877F2}.mbar .cp{background:rgba(255,255,255,.12)}

@media (max-width:1100px){
  .playout2{grid-template-columns:minmax(0,1fr) 280px}
  .prail{display:none}
}
@media (max-width:1000px){
  .phead2 .wrap{grid-template-columns:minmax(0,1fr)}
  .pfig{transform:none;max-width:640px}
  .playout2{grid-template-columns:minmax(0,1fr)}
  .pside{position:static}
  .pside .toc{display:none}
  .toc-m{display:block;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px 18px;margin-bottom:18px}
  .toc-m summary{cursor:pointer;font-weight:700;color:var(--ink)}
  .toc-m summary .num{background:#EFF6FF;color:var(--blue);border-radius:8px;padding:0 8px;font-size:12px;margin-inline-start:6px}
  .toc-m ol{list-style:none;padding:0;margin:10px 0 0}
  .toc-m li a{display:block;padding:7px 0;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
  .toc-m li.l3 a{padding-inline-start:16px}
  .pside .sidead{display:none}
  .mbar{display:flex}
  .minilist{grid-template-columns:1fr}
}
@media (max-width:640px){
  .phead2{padding:110px 0 64px}
  .phead2 h1{font-size:27px}
  .phead2 .pmeta{gap:8px}.phead2 .pmeta > span{padding:6px 10px}
  .bookcard{padding:16px;gap:14px}.bk-btn{width:100%;justify-content:center}
  .pnav{grid-template-columns:1fr}.pnav .next{grid-column:auto}
  .endcard{padding:18px}
  footer.ft{padding-bottom:70px}
}
/* gutters show on very wide screens; then the sidebar unit steps aside so the page carries at most two side ads */
@media (min-width:1680px){.pside .sidead{display:none}}
.gutter-ad .sidead{position:static}